1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any

  44     public SubSystem(String root, String mountPoint) {
  45         this.root = root;
  46         this.mountPoint = mountPoint;
  47     }
  48 
  49     public void setPath(String cgroupPath) {
  50         if (root != null && cgroupPath != null) {
  51             if (root.equals("/")) {
  52                 if (!cgroupPath.equals("/")) {
  53                     path = mountPoint + cgroupPath;
  54                 }
  55                 else {
  56                     path = mountPoint;
  57                 }
  58             }
  59             else {
  60                 if (root.equals(cgroupPath)) {
  61                     path = mountPoint;
  62                 }
  63                 else {
  64                     if (root.indexOf(cgroupPath) == 0) {
  65                         if (cgroupPath.length() > root.length()) {
  66                             String cgroupSubstr = cgroupPath.substring(root.length());
  67                             path = mountPoint + cgroupSubstr;
  68                         }
  69                     }
  70                 }
  71             }
  72         }
  73     }
  74 
  75     public String path() {
  76         return path;
  77     }
  78 
  79     /**
  80      * getSubSystemStringValue
  81      *
  82      * Return the first line of the file "parm" argument from the subsystem.
  83      *
  84      * TODO:  Consider using weak references for caching BufferedReader object.

   1 /*
   2  * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any

  44     public SubSystem(String root, String mountPoint) {
  45         this.root = root;
  46         this.mountPoint = mountPoint;
  47     }
  48 
  49     public void setPath(String cgroupPath) {
  50         if (root != null && cgroupPath != null) {
  51             if (root.equals("/")) {
  52                 if (!cgroupPath.equals("/")) {
  53                     path = mountPoint + cgroupPath;
  54                 }
  55                 else {
  56                     path = mountPoint;
  57                 }
  58             }
  59             else {
  60                 if (root.equals(cgroupPath)) {
  61                     path = mountPoint;
  62                 }
  63                 else {
  64                     if (cgroupPath.indexOf(root) == 0) {
  65                         if (cgroupPath.length() > root.length()) {
  66                             String cgroupSubstr = cgroupPath.substring(root.length());
  67                             path = mountPoint + cgroupSubstr;
  68                         }
  69                     }
  70                 }
  71             }
  72         }
  73     }
  74 
  75     public String path() {
  76         return path;
  77     }
  78 
  79     /**
  80      * getSubSystemStringValue
  81      *
  82      * Return the first line of the file "parm" argument from the subsystem.
  83      *
  84      * TODO:  Consider using weak references for caching BufferedReader object.